Perhaps you should try some spelling variations:
"advanced mathematical sciences" » "advanced mathematics sciences", "based mathematical sciences", "advanced mathematical science"
"applied mathematical sciences" » "applied mathematics sciences", "based mathematical sciences", "applied mathematical science"
"appendix mathematical sciences" » "appendix mathematical science"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("applied mathematical sciences") OR ("advanced mathematical sciences"))) OR ("appendix mathematical sciences")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"applied mathematical sciences\") OR (\"advanced mathematical sciences\"))) or (\"appendix mathematical sciences\"))".
• Removing quotes may allow a broader search: (((( applied mathematical sciences ) OR ( advanced mathematical sciences ))) or ( appendix mathematical sciences )).
• Adding a wildcard symbol may retrieve word variants: (((("applied mathematical sciences") OR ("advanced mathematical sciences"))) or ("appendix mathematical sciences"))*.